Elliptical rib for shuttered irradiator system



FIG. 1 is a perspective view of an elliptical rib for a shutteredirradiator system showing my new design;

FIG. 2 is a front view thereof, the back view being identical thereto;

FIG. 3 is a top view thereof;

FIG. 4 is a right side view thereof, the left side view being identicalthereto; and,

FIG. 5 is a bottom view thereof.

The ornamental design for an elliptical rib for a shuttered irradiator system, as shown. 